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调峰约束下考虑风电消纳的多目标尖峰电价决策模型

DOI: 10.13334/j.0258-8013.pcsee.2015.11.004, PP. 2662-2669

Keywords: 电力市场,风电消纳,需求响应,尖峰电价,非支配排序遗传算法

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Abstract:

针对以火电为主、调峰难、缺少尖峰电力的电源结构,提出需求响应下的系统风电接纳能力不足问题的解决途径。综合考虑风电场、电力用户和供电公司利益,建立了多目标变时段尖峰电价决策模型。外层电价决策采用带精英策略的非支配排序遗传算法(non-dominatedsortinggeneticalgorithm,NSGA-II)求解,将系统最小开机方式下的最小技术出力转化为确定负荷下的内层机组组合优化问题,从机组组合角度评价了尖峰电价对系统风电消纳能力的影响。仿真结果显示,尖峰电价有效地削减了研究周期系统的尖峰负荷,减少了在线火电机组数量,有效提高了系统接纳风电的能力。基于非支配排序遗传算法,得到一系列帕累托解供决策者参考。

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